US PATENT SUBCLASS 264 / 179
.~.~.~ With purifying or replenishing of bath

Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

165  DF  FORMING CONTINUOUS OR INDEFINITE LENGTH WORK {8}
176.1  DF  .~ Shaping by extrusion {11}
178 R  DF  .~.~ Into a liquid bath {6}
179.~.~.~ With purifying or replenishing of bath

DEFINITION

Classification: 264/179

(under subclass 178) Processes wherein ingredients are added to or removed from the bath, or the bath is treated, so as to maintain the desired composition.

SEE OR SEARCH THIS CLASS, SUBCLASS:

38, for processes reciting reclaiming or purifying and recycling of extrudant receiving bath material.